<template>
<div>
	<div class="search">
		<input type="text" class="search-input" 
			v-model="keyword"
		    placeholder="请输入你想去的城市"
		>
	</div>
	<div
      class="search-content"
      ref="search"
      v-show="keyword"
    >
      <ul>
        <li
          class="search-item border-bottom"
          v-for="item of list"
          :key="item.id"
          @click="handleCityClick(item.name)"
        >
          {{item.name}}
        </li>
        <li class="search-item border-bottom" v-show="hasNoData">
          没有找到匹配数据
        </li>
      </ul>
    </div>
</div>

</template>

<script>
import BScroll from 'better-scroll'
export default {
	name: 'CitySearch',
	data () {
		return {
			keyword: '',
			list: [],
			timer: null
		}
	},
	props: {
		cities: Object
	},
	mounted () {
		this.scroll = new BScroll(this.$refs.search)
	},
	computed: {
		hasNoData () {
			return !this.list.length
		}
	},
	methods: {
		
	},
	watch: {
		keyword () {
			if (this.timer) {
				clearTimeout(this.timer)
			}
			if (!this.keyword) {
				this.result = []
				return
			}
			this.timer = setTimeout(() => {
				const result = []
				for (let i in this.cities) {
					this.cities[i].forEach((value) => {
						if (value.spell.indexOf(this.keyword) > -1 || value.name.indexOf(this.keyword) > -1) {
							result.push(value)
						}
				    })
				}
				this.list = result
			}, 100)
		}
		
	}
	
}
</script>

<style lang="stylus" scoped>
@import '~styles/varibles.styl'
.search
	height: .72rem
	background: $bgColor
	padding: 0 .1rem
	.search-input
		width: 100%
		box-sizing: border-box
		height: .6rem
		border-radius: .06rem
		text-align: center
		padding: 0 .3rem
		color: #666
.search-content
	z-index: 1
	overflow: hidden
	position: absolute
	top: 1.58rem
	left: 0
	right: 0
	bottom: 0
	background: #eee
	.search-item
		  line-height: .62rem
		  padding-left: .2rem
		  background: #fff
		  color: #666
</style>
